126545233 has 4 divisors (see below), whose sum is σ = 126584640. Its totient is φ = 126505828.

The previous prime is 126545231. The next prime is 126545239. The reversal of 126545233 is 332545621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 332545621 = 107 ⋅3107903.

It is a cyclic number.

It is not a de Polignac number, because 126545233 - 2¹ = 126545231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126545195 and 126545204.

It is not an unprimeable number, because it can be changed into a prime (126545231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14413 + ... + 21466.

It is an arithmetic number, because the mean of its divisors is an integer number (31646160).

Almost surely, 2^126545233 is an apocalyptic number.

It is an amenable number.

126545233 is a deficient number, since it is larger than the sum of its proper divisors (39407).

126545233 is an equidigital number, since it uses as much as digits as its factorization.

126545233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39406.

The product of its digits is 21600, while the sum is 31.

The square root of 126545233 is about 11249.2325516010. The cubic root of 126545233 is about 502.0518787355.

The spelling of 126545233 in words is "one hundred twenty-six million, five hundred forty-five thousand, two hundred thirty-three".